uniform mat4 u_Matrix;

attribute vec4 a_Position;
attribute vec2 a_TextureCoordinates;

//attribute vec4 a_Color;
//varying vec4 v_Color;
varying vec2 v_TextureCoordinates;

void main(){

    //v_Color=a_Color;

    v_TextureCoordinates=a_TextureCoordinates;
    gl_Position=u_Matrix * a_Position;
    gl_PointSize=10.0;

}